Re: [PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

On Thu, Mar 25, 2021 at 09:32:35PM +0800, Liu Xiang wrote: > Russell King - ARM Linux admin 于2021年3月25日周四 下午6:06写道： > > > > On Thu, Mar 25, 2021 at 05:50:49PM +0800, Liu Xiang wrote: > > > When CONFIG_HARDEN_BRANCH_PREDICTOR is selected and user aborts occur, > > > there is a warning: > > > > > >

Re: [PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

Russell King - ARM Linux admin 于2021年3月25日周四 下午6:06写道： > > On Thu, Mar 25, 2021 at 05:50:49PM +0800, Liu Xiang wrote: > > When CONFIG_HARDEN_BRANCH_PREDICTOR is selected and user aborts occur, > > there is a warning: > > > > BUG: using smp_processor_id() in preemptible [] code:

Re: [PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

On Thu, Mar 25, 2021 at 05:50:49PM +0800, Liu Xiang wrote: > When CONFIG_HARDEN_BRANCH_PREDICTOR is selected and user aborts occur, > there is a warning: > > BUG: using smp_processor_id() in preemptible [] code: errnotest/577 > caller is __do_user_fault.constprop.4+0x24/0x88 > CPU: 1 PID:

[PATCH] ARM: fix smp_processor_id() in preemptible warning in harden_branch_predictor()

When CONFIG_HARDEN_BRANCH_PREDICTOR is selected and user aborts occur, there is a warning: BUG: using smp_processor_id() in preemptible [] code: errnotest/577 caller is __do_user_fault.constprop.4+0x24/0x88 CPU: 1 PID: 577 Comm: errnotest Not tainted 4.14.188-rt87-fmsh-4-g58055877a